Tablet2WUXGA: panel: blocking Cypress Touchscreen panel interrupts in suspend mode.

The patch blocks Tablet2WUXGA Cypress Touchscreen panel
interrupts in early suspend mode.

Change-Id: Ia169830ee297bf2d856d74c84096fd5735475358
Signed-off-by: Volodymyr Mieshkov <volodymyr.mieshkov@ti.com>